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Java & Spring Boot Quiz Questions
A sample of the 10 questions below — instant scoring and an explanation for every answer. No sign-in required to play.
Question 1
What is the purpose of the Java Virtual Machine (JVM)?
ATo execute Java bytecode, providing platform independence
BTo compile Java code to machine code directly
CTo manage databases
DTo design user interfaces
Question 2
Which annotation is commonly used to mark a Spring-managed component?
A@Final
B@Import
C@Static
D@Component
Question 3
What does "garbage collection" do in Java?
ADeletes source code files
BAutomatically reclaims memory used by objects that are no longer referenced
CManages network connections
DCompiles the program
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